YueYueZou&reg; Handheld Security Bounty Hunter Metal Detector Wand & Holster Hand Held Scanner Specially designed high performance metal detector for security Features higher sensitivity, accurate alarm, power saving and long life service Shell adopts ABS engineering plastics moulds at a time Adopts large scale CMOS integrated circuit, electronic buzzer sound Using the special design in detection area, more advanced sound, light and vibration alarm technology